我是 Facebook 应用程序世界和网络托管方面的新手。
我在本地测试了我的 Facebook 应用程序，运行良好。但是，当我尝试放到我的服务器上时，什么也没有发生，只是一个空白页面。
当我尝试在没有 Facebook PHP-SDK 的情况下编写一些程序时，它运行良好。但是当我使用它时什么也没有发生。
我认为这是一个新手问题，但我不知道应该把它放在哪里。
我正在使用xampp，在日志中出现：
::1 - - [22/Oct/2011:19:30:15 +0100] "POST /temp/ HTTP/1.1" 200 4253 "https://apps.facebook.com/first_app_diogo/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1"
这是本地的，我在上面看到POST，所以它看起来像是在发出POST请求，对吧？
我的应用程序是一个画布应用程序。
我在 bytehost 中创建了一个免费的托管帐户来将我的应用程序放到网上，但不起作用，我已经尝试使用另一个网络托管，并得到了相同的结果。即使是调用 facebook API 的最简单的应用程序也不起作用...
我在 php 中激活了运行时错误报告并收到以下错误：
Fatal error: Uncaught exception 'Exception' with message 'Facebook needs the CURL PHP extension.' in /home/vol3/byethost7.com/b7_9378562/htdocs/php-sdk/src/base_facebook.php:19 Stack trace: #0 /home/vol3/byethost7.com/b7_9378562/htdocs/php-sdk/src/facebook.php(18): require_once() #1 /home/vol3/byethost7.com/b7_9378562/htdocs/config.php(3): require('/home/vol3/byet...') #2 /home/vol3/byethost7.com/b7_9378562/htdocs/index.php(6): require('/home/vol3/byet...') #3 {main} thrown in /home/vol3/byethost7.com/b7_9378562/htdocs/php-sdk/src/base_facebook.php on line 19
所以，看起来我的服务器中禁用了curl 扩展。它在本地工作，因为我在 xampp 中启用了curl 扩展。但如何在我的免费服务器中启用它？
我知道这不是一个编程问题，但我真的很困惑。
I'm new to the Facebook application world and web hosting stuff.
I tested my Facebook apps locally and it runs well. However, when I try to put on my server, nothing happens, just a blank page.
When I try to do some program without the Facebook PHP-SDK it runs well. But when I use it nothing happens.
I think this is a newbie question but I don't know where else I should put it.
I'm using xampp, in the log appears:
::1 - - [22/Oct/2011:19:30:15 +0100] "POST /temp/ HTTP/1.1" 200 4253 "https://apps.facebook.com/first_app_diogo/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1"
this is locally, I see POST above, so it looks like is making a POST request, right?
My app is a canvas app.
I created a free hosting account in bytehost to put my app online, but doesn't work, I already tried with another web hosting, and had the same result. Even the simplest app that calls a the facebook API doesn't work...
I activated runtime error reporting in php and got the following error:
Fatal error: Uncaught exception 'Exception' with message 'Facebook needs the CURL PHP extension.' in /home/vol3/byethost7.com/b7_9378562/htdocs/php-sdk/src/base_facebook.php:19 Stack trace: #0 /home/vol3/byethost7.com/b7_9378562/htdocs/php-sdk/src/facebook.php(18): require_once() #1 /home/vol3/byethost7.com/b7_9378562/htdocs/config.php(3): require('/home/vol3/byet...') #2 /home/vol3/byethost7.com/b7_9378562/htdocs/index.php(6): require('/home/vol3/byet...') #3 {main} thrown in /home/vol3/byethost7.com/b7_9378562/htdocs/php-sdk/src/base_facebook.php on line 19
so, it looks like the curl extension is disabled in my server. It worked locally because I enabled the curl extension in xampp. But how do I enabled it in my free server?
I know this isn't a programming question, but I'm really stuck on this.
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您的服务器日志中有什么？
您的应用程序是画布应用程序还是页面选项卡应用程序？
如果是这样，请记住，在将
signed_request传递到您的应用程序时，Facebook 将发送 POST 请求，而不是 GET 请求 - 如果您在没有任何 Facebook 集成的情况下进行本地测试，您可能会发出 GET 请求What's in your server logs?
Is your app a canvas or page tab app?
If so, bear in mind that Facebook will send a POST request, not a GET request, when passing the
signed_requestto your application - if you were testing locally without any Facebook integration you were probably making GET requests我终于解决了这个问题，我的免费托管提供商不支持curl，所以我在支持curl的不同提供商中获得了另一个帐户。然而，在那之后，我遇到了 SSL 问题，因为自 01/10/2011 起每个 facebook 应用程序都需要 SSL 证书，所以我去了 http://social-server.com/index/info.php 以便通过 SSL 传送内容。
希望这可以帮助任何遇到同样问题的人。
I finnally solved it, my free hosting provider didn't support curl, so I got another account in a different provider that supports curl. However, after that, I got the SSL problem, because since 01/10/2011 every facebook app require a SSL certificate, so I went to http://social-server.com/index/info.php in order to deliver content via SSL.
Hope this helps anyone with the same problem.